000
FZPN03 KNHC 242131
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON SEP 24 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 1800 UTC MON SEP 24.
24 HOUR FORECAST VALID 1800 UTC TUE SEP 25.
48 HOUR FORECAST VALID 1800 UTC WED SEP 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MIRIAM AT 18.1N 113.5W 960 MB AT 2100 UTC SEP 24 
MOVING NW OR 305 DEG AT 8 KT.  MAXIMUM SUSTAINED WIND 105 GUSTS 
130 KT.  TROPICAL STORM FORCE WIND WITHIN 110 NM NE QUADRANT... 
100 NM SE QUADRANT...70 NM SW QUADRANT...AND 90 NM NW QUADRANT.  
SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...210 NM SE 
QUADRANT...150 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS 
TO 30 FT.
.24 HOUR FORECAST  HURRICANE MIRIAM NEAR 19.3N 114.8W.  MAXIMUM 
SUSTAINED WIND 90 GUSTS 110 KT.  TROPICAL STORM FORCE WIND 
WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 80 NM NW QUADRANT.  LITTLE CHANGE IN RADIUS OF 
SEAS 12 FT OR GREATER.
.48 HOUR FORECAST  HURRICANE MIRIAM NEAR 21.1N 115.1W.  MAXIMUM 
SUSTAINED WIND 70 GUSTS 85 KT.  TROPICAL STORM FORCE WIND WITHIN 
60 NM W SEMICIRCLE...100 NM NE QUADRANT AND 90 NM SE QUADRANT. 
SEAS 12 FT OR GREATER WITHIN 210 NM...EXCEPT 180 NM SW QUADRANT 
WITH SEAS TO 28 FT.
.72 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 23.4N 115.2W. 
MAXIMUM SUSTAINED WIND 55 GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 25.5N 114.4W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION MIRIAM NEAR 27.5N 113.5W. 
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS...WITHIN 360 NM NE...300 NM SE AND 
NW AND 180 NM SW QUADRANTS  WINDS TO 33 KT.  SEAS TO 12 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNINGS...WITHIN 300 NM 
...EXCEPT 150 NM SW QUADRANT  WINDS TO 33 KT.  SEAS TO 12 FT. 
ELSEWHERE FROM 12N TO 25N BETWEEN 108 AND 122W  WINDS 20 KT OR 
LESS.  SEAS TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST  EXCEPT AS NOTED IN WARNINGS...WITHIN 270 NM 
...EXCEPT 150 NM SW QUADRANT  WINDS TO 33 KT.  SEAS TO 12 FT.

.W OF LINE 30N125W TO 13N133W TO 00N112W  WINDS 20 KT OR LESS.   
SEAS TO 12 FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST  ELSEWHERE W OF LINE 30N116W TO 10N125W TO 
00N110W  WINDS 20 KT OR LESS.  SEAS TO 10 FT IN MIXED SW AND NW 
SWELL.
.48 HOUR FORECAST  ELSEWHERE W OF 110W  WINDS 20 KT OR LESS.  
SEAS TO 11 FT IN MIXED SW AND NW SWELL.

.WITHIN 30 NM OF LINE 16N95W TO 14N96W INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 KT OF LESS.  SEAS TO 8 FT.
.18 HOUR FORECAST  WINDS 20 KT OR LESS.  SEAS LESS THAN 8 FT.

.REMAINDER OF AREA  WINDS 20 KT OR LESS.  SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2100 UTC TUE SEP 25...

.HURRICANE MIRIAM NUMEROUS STRONG FROM 16N TO 21N BETWEEN 110W 
AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 11N95W TO 10N104W...THEN RESUMES 
FROM 15N117W TO 11N125W THEN ITCZ 09N140W.  SCATTERED MODERATE 
WITHIN 200 NM OF AXIS E OF 108W AND WITHIN 90 NM S OF AXIS W OF 
130W.

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.